77868322 has 16 divisors (see below), whose sum is σ = 133618752. Its totient is φ = 33339600.

The previous prime is 77868293. The next prime is 77868341. The reversal of 77868322 is 22386877.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17197 + ... + 21247.

It is an arithmetic number, because the mean of its divisors is an integer number (8351172).

Almost surely, 2^77868322 is an apocalyptic number.

77868322 is a deficient number, since it is larger than the sum of its proper divisors (55750430).

77868322 is a wasteful number, since it uses less digits than its factorization.

77868322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433.

The product of its digits is 225792, while the sum is 43.

The square root of 77868322 is about 8824.3029186446. The cubic root of 77868322 is about 427.0252989195.

The spelling of 77868322 in words is "seventy-seven million, eight hundred sixty-eight thousand, three hundred twenty-two".